Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/95983
Title: Nanostructured tungsten carbide/carbon composites synthesized by a microwave heating method as supports of platinum catalysts for methanol oxidation
Authors: Lu, Jin Lin
Li, Zi Hui
Jiang, San Ping
Shen, Pei Kang
Li, Lin
Issue Date: 2011
Source: Lu, J. L., Li, Z. H., Jiang, S. P., Shen, P. K., & Li, L. (2012). Nanostructured tungsten carbide/carbon composites synthesized by a microwave heating method as supports of platinum catalysts for methanol oxidation. Journal of Power Sources, 202, 56-62.
Series/Report no.: Journal of power sources
Abstract: In this work, a series of nanostructured tungsten carbide/carbon (WC/Cx) composites are in situ synthesized using a microwave heating method. The composites are used as platinum (Pt) catalyst supports for methanol oxidation in acid media. Their structure, composition and specific surface area are characterized by X-ray diffraction (XRD), energy dispersive spectroscopy (EDS), Raman spectroscopy, and Brunauer–Emmett–Teller (BET) measurements. Platinum catalysts supported on the WC/Cx composites are synthesized by an improved impregnation method. The electrochemical performance and stability of the catalysts are evaluated by cyclic voltammetry (CV) and chronoamperometry (CA). The Pt/WC/Cx catalysts exhibit higher activity and stability than does the Pt/VC (Pt supported on carbon black Vulcan XC-72) catalyst. The results indicate that there is a synergistic effect between Pt and the WC/Cx support, which can promote the electrocatalysis of Pt for methanol oxidation reaction (MOR).
URI: https://hdl.handle.net/10356/95983
http://hdl.handle.net/10220/11450
ISSN: 0378-7753
DOI: http://dx.doi.org/10.1016/j.jpowsour.2011.11.018
Rights: © 2011 Elsevier B.V.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MAE Journal Articles

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